Merge "Use StrictVersion to compare versions"

ironicclient/common/http.py

@@ -139,7 +139,7 @@ class VersionNegotiationMixin(object):
 
         negotiated_ver = str(min(StrictVersion(self.os_ironic_api_version),
                                  StrictVersion(max_ver)))
-        if negotiated_ver < min_ver:
+        if StrictVersion(negotiated_ver) < StrictVersion(min_ver):
             negotiated_ver = min_ver
         # server handles microversions, but doesn't support
         # the requested version, so try a negotiated version

ironicclient/tests/unit/common/test_http.py

@@ -183,6 +183,23 @@ class VersionNegotiationMixinTest(utils.BaseTestCase):
         self.assertEqual(1, mock_pvh.call_count)
         self.assertEqual(0, mock_save_data.call_count)
 
+    @mock.patch.object(filecache, 'save_data', autospec=True)
+    @mock.patch.object(http.VersionNegotiationMixin, '_parse_version_headers',
+                       autospec=True)
+    def test_negotiate_version_strict_version_comparison(self, mock_pvh,
+                                                         mock_save_data):
+        # Test version comparison with StrictVersion
+        max_ver = '1.10'
+        mock_pvh.return_value = ('1.2', max_ver)
+        mock_conn = mock.MagicMock()
+        self.test_object.os_ironic_api_version = '1.10'
+        result = self.test_object.negotiate_version(mock_conn, self.response)
+        self.assertEqual(max_ver, result)
+        self.assertEqual(1, mock_pvh.call_count)
+        host, port = http.get_server(self.test_object.endpoint)
+        mock_save_data.assert_called_once_with(host=host, port=port,
+                                               data=max_ver)
+
     def test_get_server(self):
         host = 'ironic-host'
         port = '6385'